Answer:
a. 1.5% in the short run and 6% in the long run
Step-by-step explanation:
Price Elasticity of supply = percentage change in quantity supplied / percentage change in price
In the short run, the percentage change in quantity supplied = 0.3 = the percentage change in quantity supplied / 5% = 1.5%
In the long run : 1.2 = the percentage change in quantity supplied / 5% = 6%
I hope my answer helps you